Alex Sardi started her volunteer work at Frederick nonprofit Centro Hispano by folding clothes and answering phones. Sardi, a 19-year-old sophomore majoring in Spanish and art history at Hood College, has moved on to teaching English and, over the past few months, grant writing.

Anne Arundel Medical Center’s clinic at the Stanton Community Center provides low-cost dental and medical services to uninsured adults, while the hospital’s Community Health Center on Forest Drive provides similar services to the underinsured — people who don’t have strong insurance coverage.